Reel and spindle mount therefor



p 1936- A. s. HOWELL REEL AND SPINDLE MOUNT THEREFOR Filed Sept. 8, 1934 Patented Sept. 29, 1936 UNITED STATES PATENT OFFICE Albert S. Howell, Chicago, 111., assignor to The Bell & Howell Company, Chicago, 11]., a corporation of Illinois Application September 8, 1934, Serial No. 743,247

' 9 Claims. (Cl. 242-68) My invention has particular relation to reel and spindle mounts of the type usually employed on motion picture machines although not limited to this use alone.

The main object of the invention relates to the provision of a novel and effective reel and spindle mount therefor which involves a driving engagement between the reel and spindle mount adapted to permit convenient mounting of the reel on the spindle without necessitating the reel and spindle mount being disposed in any certain angular relation as an incident to the mounting of the reel.

With this objectin view my invention consists of certain features of novelty in the construction, combination and arrangement of parts by which the said object and certain other objects, hereinafter appearing, are effected, all as fully described with reference to the accompanying drawing and more particularly pointed out in the appended claims.

In the said drawing-- Figure 1 is a face elevation of a reel constructed in accordance with my invention;

Figure 2 is a side elevation of the same;

Figure 3 is a partial side elevation of a spindle constructed in accordance with my invention;

Figure 4 is an enlarged partial section of the reel mounted on the spindle and taken on the line 4-5 of Figure 1; and

Figure 5 is a partial section taken on the line 55 of. Figure 1.

Referring to the drawing, the reel consists of spaced side plates 6 and 2 secured in a usual manner to opposite ends of a central tubular or hollow hub member 3, and the side plate l is provided with a round central spindle aperture d. A stud 5 is secured centrally on the plate 2 in coaxial relation with the aperture l and projects from the plate 2 toward the plate 4, the stud being secured on the plate 2 by means of a reduced portion 6 of the stud engaging in a central aperture l through the plate 2 and stak'ed overon the outside of this plate, as shown in Figure 4.

A revoluble spindle is designated at 8 and the end portion thereof shown forms the reel mount portion thereof and is provided with a round external surface reel mount portion 9, and is provided with an axial bore ll extending inwardly from this end thereof, as shown in Figures 3 and 4.

In the mounting of the reel on the spindle the aperture 4 of the plate I engages over the external surface 9 of the spindle and the stud 5 engages in the bore II for the removable mounting of the reel over the end of the spindle, as described and claimed in my co-pending application for United States Letters Patent, Serial No. 685,984, filed August 21, 1933, for improvement in Reel and spindle mount therefor. 5

The projecting portion of the stud 5 is provided with a number of longitudinally extending angularly spaced driving grooves l2 on its periphery, and the projecting end of this stud is externally tapered, as designated at l3. See Figures 1 and 4. 10

The projecting end of the spindle 8 is provided with a longitudinally extending radial slot l4 communicating with the axial bore H, and is provided with a radial bore disposed inwardly from the bored end of the spindle and communi 15 eating with the slot M.

A spring drive member l6 extends in the slot It and is provided with a laterally extending coil portion ll which is disposed in the radial bore l5, and the spindle is swaged adjacent the inner end of the slot It, as designated at it, to restrict the slot M and engage over the spring member 66 to form a reaction fulcrum therefor against radial movement of the outer end of the spring member outwardly from the axis of the spindle, the outer end of the spring member It being thus yieldable radially outward of the axis of the spindle.

The outer end of the spring member I6 is coiled in the form of a circle, as designated at it, and in the mounting of the reel on the spindle, the reel may be mounted on the spindle in any angular position thereof with reference to the spindle for the reason that, in the event that the spring i6 is not alined with one of the grooves E2, the spring member it will yield and ride on the periphery of the stud 5 and thus permit mounting of the reel, the spring member engaging in one of the grooves it to form a driving engagement between the reel and spindle upon relative angular movement of the reel and spindie after the mounting of the reel. r

The tapered end I3 of the stud 5 aids in moving the outer end of the spring member I6 outwardly of the axis of the spindle in the mount- 5 ing of the reel.

The hub member 3 is provided, as usual, with an axially extending peripheral slot 2| for the reception of an end of a strip or film therein, as indicated at 22 in Figure 5, for the winding of the strip or film upon the reel.

For the purpose of light trapping the slot 2! interiorly of the hub member 3, a cup shaped member 23 is arranged within the hub member 3 and is secured with the side plate 2 by means of the reduced portion 6 of the stud 5 extending through an axial aperture 24 in the transverse wall of the member 23 and securing the member 23 between the plate 2 and the shoulder of the stud between the main portion of the stud and the reduced portion 6 thereof. See Figures 4 and 5.

The reel is particularly adapted for the winding of motion picture film thereon, which film has the usual longitudinally spaced perforations, and spurs 25, see Figures 2 and 5, are formed on the hub member 3 and project from the longitudinal edges of the slot 2| for engagement through aforesaid perforations of the strip, see Figure 5, to secure an end of the film to be wound on the reel.

These spurs are formed with their inner surfaces angled outwardly toward the outer ends of the spurs, as designated at 26, to provide tapered spur formations readily engaged in perforations of the strip as shown in Figure 5.

Having thus described my invention, I do not wish to be limited to the precise details described as changes may be readily made without departing from the spirit'of my invention, but having thus described my invention, I claim as new and desire to secure by Letters Patent the following:

1. In a device of the character described the combination of a spindle having an axial bore extending inwardly from an end thereof, a reel provided with an axial opening engageable over said spindle and an axial projection engageable in said bore for the removable mounting of the reel over said end of the spindle, said axial projection being provided with a radial drive formation, and a spring drive member on said spindle engageable with said drive formation and yieldable radially of the spindle to permit mounting of the reel on the spindle when said drive formation and drive member are angularly displaced.

2. In a device of the character described the combination of a spindle having an axial bore extending inwardly from an end thereof, a reel provided with an axial opening engageable over said spindle and an axial projection engageable in said bore for the removable mounting of the reel over said end of the spindle, said axial projection being provided with an external recess forming a drive formation, and a spring drive member on said spindle and extending longitudinally thereof and engageable with said driveformation and yieldable radially outward of the axis of the spindle to permit mounting of the reel on the spindle when said drive formation and drive member are angularly displaced.

3. In a. device of the character described the combination of. a spindle having an axial bore extending inwardly from an end thereof, a reel provided with an axial opening engageable over said spindle and an axial projection engageable in said bore for the removable mounting of the reel over said end of the spindle, said axial proprojection being provided with an external recess forming a drive formation, said spindle being provided with a longitudinally extending radial slot communicating with said bore, and a spring drive member on said spindle and extending in said slot and engageable with said drive formation and yieldable radially outward of the axis of the spindle to permit mounting of the reel on the spindle when said drive formation and drive member are angularly displaced.

4. A reel spindle adapted for the removable mounting of a reel over an end thereof and provided with an axial bore extending inwardly from said end and engageable with an axial projection on the reel for the mounting of the reel and provided with a longitudinally extending radial slot communicating with said bore and provided with a radial bore disposed inwardly from said end and communicating with said slot, and a spring drive member on said spindle and extending in said slot and adapted for driving engagement with said axial projection, said spring being provided with a laterally extending coil portion disposed in said radial bore and said slot being restricted and engaged over said spring member adjacent said radial bore.

5. A reel provided with an axial opening adapted to engage over a spindle and an axial projection engageable in an end bore of the spindle for the removable mounting of the reel on the spindle, and a recessed driving formation on the periphery of said axial projection.

6. A reel provided with an axial opening adapted to engage over a spindle and an axial projection engageable in an end bore of the spindle for the removable mounting of the reel on the spindle, and a longitudinally extending driving groove on the periphery of said axial projection.

7. A reel provided with an axial opening adapted to engage over a spindle and an axial projection engageable in an end bore of the spindle for the removable mounting of the reel on the spindle, and a longitudinally extending driving groove on the periphery of said axial projection, said axial projection being provided with an external taper at its projecting end.

8. A reel including two axially spaced side plates one of which is provided with an axial opening for engagement over a spindle, and an axial projection on the other of said side plates and projecting toward the first mentioned side plate and provided with longitudinally extending driving grooves angularly spaced about the periphery thereof and having its projecting end tapered.

9. A reel comprising spaced side plates and a hollow hub extending therebetween and secured therewith and provided with a strip engaging axially extending peripheral slot, one of said side plates being provided with an axial mounting aperture, a mounting stud secured on the other of said side plates in coaxial relation with the reel, and a cup shaped member within said hub and having its transverse wall secured with said other side plate by means of said stud and light trapping said slot interiorly of the hub.

ALBERT S. HOWELL. 

